/*
 * Copyright(C) 2020. Huawei Technologies Co.,Ltd. All rights reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#ifndef SINGLETON_H
#define SINGLETON_H

#include <atomic>
#include <mutex>

class Singleton {
public:
    static Singleton& GetInstance();

    int GetStreamPullerNum() const;
    void SetStreamPullerNum(int num);

    std::atomic_int& GetStopedStreamNum();

    Singleton(const Singleton&) = delete;
    Singleton operator=(const Singleton&) = delete;
    ~Singleton() {}
    static bool signalRecieved;
private:
    Singleton() {}
    std::atomic_int streamPullerNum {0};
    std::atomic_int stopedStreamNum {0};
};

#endif